Finding the Fourth Proportional to 2,284.78, 3,152.98 and 1,236.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,284.78 : 3,152.98 = 1,236.84 : x
2. Step 2: Convert to fraction form
   2,284.78/3,152.98 = 1,236.84/x
3. Step 3: Cross multiply
   2,284.78x = 3,152.98 × 1,236.84
4. Step 4: Simplify right side
   2,284.78x = 3,899,731.78
5. Step 5: Solve for x
   x = 3,899,731.78/2,284.78
6. Step 6: Final answer
   x = 1,706.83